3918264990 has 64 divisors (see below), whose sum is σ = 9480525120. Its totient is φ = 1036385280.

The previous prime is 3918264979. The next prime is 3918265007. The reversal of 3918264990 is 994628193.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2416380 + ... + 2418000.

It is an arithmetic number, because the mean of its divisors is an integer number (148133205).

Almost surely, 2^3918264990 is an apocalyptic number.

3918264990 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3918264990 is an abundant number, since it is smaller than the sum of its proper divisors (5562260130).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3918264990 is a wasteful number, since it uses less digits than its factorization.

3918264990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2237.

The product of its (nonzero) digits is 839808, while the sum is 51.

The square root of 3918264990 is about 62596.0461211409. The cubic root of 3918264990 is about 1576.5143731334.

The spelling of 3918264990 in words is "three billion, nine hundred eighteen million, two hundred sixty-four thousand, nine hundred ninety".